221569334973

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1201}}^1\times {\mathrm{16927}}^1$

素因数の和:18314

約数の個数: 48

約数和(自身を含む): 368207563776

約数和(自身を除く): 146638228803

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1201, 1211, 1557, 3603, 3633, 8407, 10809, 10899, 16927, 25221, 50781, 75663, 118489, 152343, 207773, 355467, 623319, 1066401, 1454411, 1869957, 2928371, 4363233, 8785113, 13089699, 20329327, 20498597, 26355339, 60987981, 61495791, 142305289, 182963943, 184487373, 426915867, 1280747601, 3516973571, 10550920713, 24618814997, 31652762139, 73856444991, 221569334973]

約数ペア:

[(1, 221569334973), (3, 73856444991), (7, 31652762139), (9, 24618814997), (21, 10550920713), (63, 3516973571), (173, 1280747601), (519, 426915867), (1201, 184487373), (1211, 182963943), (1557, 142305289), (3603, 61495791), (3633, 60987981), (8407, 26355339), (10809, 20498597), (10899, 20329327), (16927, 13089699), (25221, 8785113), (50781, 4363233), (75663, 2928371), (118489, 1869957), (152343, 1454411), (207773, 1066401), (355467, 623319)]